Solar lamp



FIG. 1 is a perspective view of a solar lamp showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of another embodiment of the solar lamp showing my new design with the ground stake removed.

The broken lines in the drawings depict portions of the solar lamp that form no part of the claimed design. 

CLAIM The ornamental design for a solar lamp, as shown and described. 